linkding is a simple bookmark service that you can host yourself. It supports managing bookmarks, categorizing them with tags and has a search function. It provides a bookmarklet for quickly adding new bookmarks while browsing the web. It also supports import / export of bookmarks in the Netscape HTML format.
Kroki provides a unified API with support for BlockDiag (BlockDiag, SeqDiag, ActDiag, NwDiag), C4 (with PlantUML), Ditaa, Erd, GraphViz, Mermaid, Nomnoml, PlantUML, SvgBob and UMLet... and more to come!
Snap! is a broadly inviting programming language for kids and adults that’s also a platform for serious study of computer science.
Snap! is now a community website where you can share and publish projects so others can find and remix them, and where you can ask questions and discuss the beauty and joy of computing. We invite you to check out the new site. Did you know that you can embed Snap! projects in other web pages?
We've also enhanced the programming language, making it easier to discover and to use powerful blocks for analyzing data and transforming media.